APA (7th ed.) Citation

Küng, H. (1969). The Future of ecumenism. Paulist Press.

Chicago Style (17th ed.) Citation

Küng, Hans. The Future of Ecumenism. New York: Paulist Press, 1969.

MLA (9th ed.) Citation

Küng, Hans. The Future of Ecumenism. Paulist Press, 1969.

Warning: These citations may not always be 100% accurate.